[Bug 103808] [radeonsi, bisected] World of Warcraft scribbling all over screen

[Bug 103808] [radeonsi, bisected] World of Warcraft scribbling all over screen

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=103808

            Bug ID: 103808
           Summary: [radeonsi, bisected] World of Warcraft scribbling all
                    over screen
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: rankincj@googlemail.com
        QA Contact: dri-devel@lists.freedesktop.org

OpenGL renderer string: AMD BONAIRE (DRM 2.50.0 / 4.13.13, LLVM 6.0.0)
OpenGL core profile version string: 3.3 Mesa 17.4.0-devel (git-4b0dc098b2)

Now that Fedora has upgraded to libdrm-2.4.88, I have discovered that World of
Warcraft now has huge screen corruption with Mesa-git. A git bisect has
identified this commit as the culprit:

4b0dc098b2561c07c59f7dab2813640a25789bf1 is the first bad commit
commit 4b0dc098b2561c07c59f7dab2813640a25789bf1
Author: Marek Olšák <marek.olsak@amd.com>
Date:   Thu Nov 2 00:00:53 2017 +0100

    gallium/u_threaded: don't map big VRAM buffers for the first upload
directly

    This improves Paraview "many spheres" performance 4x along with the
radeonsi
    commit.

    Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

:040000 040000 7b3cd35a0bc5923f724cfb9d936f7a88ea808c8a
300c7a5176280a410796121ac66c04a3b39b9bc9 M      src

WoW continues to run, but UI elements in particular disappear and are replaced
with scribbles across the screen, which itself flickers and flashes.

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[Bug 103808] [radeonsi, bisected] World of Warcraft scribbling all over screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103808

--- Comment #1 from Marek Olšák <maraeo@gmail.com> ---
Can you upload an apitrace?

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[Bug 103808] [radeonsi, bisected] World of Warcraft scribbling all over screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103808

--- Comment #2 from Chris Rankin <rankincj@googlemail.com> ---
Created attachment 135620
  --> https://bugs.freedesktop.org/attachment.cgi?id=135620&action=edit
apitrace for WoW

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[Bug 103808] [radeonsi, bisected] World of Warcraft scribbling all over screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103808

--- Comment #3 from Chris Rankin <rankincj@googlemail.com> ---
There's some initial chaos when you start replaying this trace, but I think the
most relevant artifacts (from this bug's perspective) occur right at the end.

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[Bug 103808] [radeonsi, bisected] World of Warcraft scribbling all over screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103808

Nicolai Hähnle <nhaehnle@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bartos.petr@gmail.com

--- Comment #4 from Nicolai Hähnle <nhaehnle@gmail.com> ---
*** Bug 103817 has been marked as a duplicate of this bug. ***

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[Bug 103808] [radeonsi, bisected] World of Warcraft scribbling all over screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103808

Nicolai Hähnle <nhaehnle@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |shtetldik@gmail.com

--- Comment #5 from Nicolai Hähnle <nhaehnle@gmail.com> ---
*** Bug 103874 has been marked as a duplicate of this bug. ***

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[Bug 103808] [radeonsi, bisected] World of Warcraft scribbling all over screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103808

Felix Hellmann <privat@cirk2.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |privat@cirk2.de

--- Comment #6 from Felix Hellmann <privat@cirk2.de> ---
*** Bug 103919 has been marked as a duplicate of this bug. ***

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[Bug 103808] [radeonsi, bisected] World of Warcraft scribbling all over screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103808

--- Comment #7 from Felix Hellmann <privat@cirk2.de> ---
Created attachment 135737
  --> https://bugs.freedesktop.org/attachment.cgi?id=135737&action=edit
apitrace for Path of Exile

Added the apitrace I made in #103919 over here.

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[Bug 103808] [radeonsi, bisected] World of Warcraft scribbling all over screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103808

Chris Rankin <rankincj@googlemail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #135620|application/octet-stream    |application/xz
          mime type|                            |

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[Bug 103808] [radeonsi, bisected] World of Warcraft scribbling all over screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103808

--- Comment #8 from Shmerl <shtetldik@gmail.com> ---
Marek pushed this fix:
https://cgit.freedesktop.org/mesa/mesa/commit/?id=b5444877c0820b7848c07d1bc4e9a706f90894a5

I've just tested it with The Witcher 3 in Wine, and flickering is gone along
with performance drop!

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[Bug 103808] [radeonsi, bisected] World of Warcraft scribbling all over screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103808

--- Comment #9 from Felix Hellmann <privat@cirk2.de> ---
Yeah WoW and PoE are also fixed here

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[Bug 103808] [radeonsi, bisected] World of Warcraft scribbling all over screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103808

--- Comment #10 from Chris Rankin <rankincj@googlemail.com> ---
Agreed, WoW is now fixed. Thanks.

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[Bug 103808] [radeonsi, bisected] World of Warcraft scribbling all over screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103808

--- Comment #11 from bartos.petr@gmail.com ---
Confirming bug 103919 is also fixed.

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[Bug 103808] [radeonsi, bisected] World of Warcraft scribbling all over screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103808

Chris Rankin <rankincj@googlemail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

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